var Intrduction = function() {
  this.inactive = false;
  this.overlay = null; 
}

Intrduction.prototype.init = function() { 
  var container = $('#content-wrap3');
  container.html('');
  
  //Create a participants list header 
  container.append('<h3>Add a white board app in a Hangout</h3>');
  container.append('<div id="how_to_add_app_in_hangout"">');
  container.append('  <p>Your apps are displayed on the left side of your screen. To add apps to your Hangout, simply:</p>');
  container.append('  <ol>');
  container.append('    <li>Select one of the apps displayed in the App Bar or find another app by clicking <strong>View more apps</strong> and then selecting <strong>+ Add apps</strong>.</li>');
  container.append('    <li>In the window that appears you can browse through available apps by clicking the <strong>Featured</strong> or <strong>Recent</strong> tabs. The <strong>Recent</strong> tab displays all of the apps you have used in previous Hangouts you have participated in.</li>');
  container.append('    <li>Once you have found the app you want to use, select the Google Drive, and click <strong>Add to this Hangout</strong>.</li>');
  container.append('  </ol>');
  container.append('</div>');
}
